<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
           .test{
                background-color: silver;
               height: 300px;
               /*padding: 1px;*/
           }
          .a{
               margin-top: 60px;
           }
    </style>
</head>
<body>
<div class="test">
    <div class="a">111</div>
</div>
</body>
</html>